Microwave oven



FIG. 1 is a front perspective view of a microwave oven showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being amirror image;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a rear elevational view thereof.

The ornamental design for a microwave oven, as shown.